Garudapurana 2.27.46

2.27.46

pūrve tu śrīdharaṃ devaṃ dakṣiṇe madhusūdanam /
paścime vānamaṃ devamuttare ca gadādharam //

In the east the god Śrīdhara, in the south Madhusūdana, / in the west the god Vāmana, and in the north Gadādhara;